Alert archive / Texas / Wind Advisories in 2012
Wind Advisory 4, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this wind advisory at Mar 6, 2012, 10:05 AM CST for 5 counties in Texas. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 6, 2012, 10:05 AM CST (16:05 UTC)
- Expired
- Mar 6, 2012, 6:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Madison County, TX, Washington County, TX
The radar
The Ft Hood radar (KGRK), 110 km from the middle of the area, began a volume at 16:08 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 4.1 hours before the alert went out and 269 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 202 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
842 WWUS74 KHGX 061605 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1005 AM CST TUE MAR 6 2012 ...WIND ADVISORY IN EFFECT THROUGH 4 PM... .A TIGHT PRESSURE GRADIENT WILL REMAIN IN PLACE TODAY. STRONG SOUTH TO SOUTHEAST WINDS OF 20 TO 25 MPH WILL PREVAIL THIS AFTERNOON. TXZ176-195>198-062100- /O.NEW.KHGX.WI.Y.0004.120306T1605Z-120306T2200Z/ BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON- INCLUDING THE CITIES OF...BRENHAM...BRYAN...CALDWELL... COLLEGE STATION...LAKE SOMERVILLE...MADISONVILLE...NAVASOTA 1005 AM CST TUE MAR 6 2012 ...WIND ADVISORY IN EFFECT UNTIL 4 PM CST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 4 PM CST THIS AFTERNOON. * EVENT...STRONG SOUTH TO SOUTHEAST WINDS OF 20 TO 25 MPH WITH HIGHER GUSTS. * TIMING...THROUGH 4 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... ESPECIALLY WHEN DRIVING ALONG EAST TO WEST ORIENTED ROADS. && $$
1 follow-up statement
266 WWUS74 KHGX 062139 NPWHGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 339 PM CST TUE MAR 6 2012 ...WIND ADVISORY IN EFFECT THROUGH 6 PM... .A TIGHT PRESSURE GRADIENT WILL REMAIN IN PLACE TODAY. STRONG SOUTH TO SOUTHEAST WINDS OF 20 TO 25 MPH WILL PREVAIL THIS AFTERNOON. TXZ176-195>198-070000- /O.EXT.KHGX.WI.Y.0004.000000T0000Z-120307T0000Z/ BRAZOS-BURLESON-GRIMES-MADISON-WASHINGTON- INCLUDING THE CITIES OF...BRENHAM...BRYAN...CALDWELL... COLLEGE STATION...LAKE SOMERVILLE...MADISONVILLE...NAVASOTA 339 PM CST TUE MAR 6 2012 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS EVENING... * EVENT...STRONG SOUTH TO SOUTHEAST WINDS OF 20 TO 25 MPH WITH HIGHER GUSTS. * TIMING...THROUGH 6 PM. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS OF VANS...CAMPERS...TRAILERS...AND OTHER HIGH-PROFILE VEHICLES SHOULD BE ALERT TO THE DANGER OF THESE WINDS... ESPECIALLY WHEN DRIVING ALONG EAST TO WEST ORIENTED ROADS. && $$
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 3:56 PM CST | Small Craft Advisory | HGX | 50 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.